1 University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands; University of Tübingen, Institute of Medical Microbiology and Hygiene, Tübingen, Germany. Electronic address: L.p.schule@umcg.nl.
2 University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands.
4 Animal Health Services, Chamber of Agriculture of North Rhine-Westphalia, Bad Sassendorf, Germany.
5 University of Tübingen, Institute of Medical Microbiology and Hygiene, Tübingen, Germany.
6 University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands; University of Utah School of Medicine, Department of Pathology, Salt Lake City, USA. Electronic address: jrossen@idbydna.com.
7 University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands; University of Bath, Department of Biology and Biochemistry, Milner Centre for Evolution, Bath, UK.